66545000

素因数分解:

$2^3\times 5^4\times {\mathrm{13309}}^1$

素因数の和:13335

約数の個数: 40

約数和(自身を含む): 155926650

約数和(自身を除く): 89381650

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 13309, 26618, 53236, 66545, 106472, 133090, 266180, 332725, 532360, 665450, 1330900, 1663625, 2661800, 3327250, 6654500, 8318125, 13309000, 16636250, 33272500, 66545000]

約数ペア:

[(1, 66545000), (2, 33272500), (4, 16636250), (5, 13309000), (8, 8318125), (10, 6654500), (20, 3327250), (25, 2661800), (40, 1663625), (50, 1330900), (100, 665450), (125, 532360), (200, 332725), (250, 266180), (500, 133090), (625, 106472), (1000, 66545), (1250, 53236), (2500, 26618), (5000, 13309)]